| synonyms (noun) hydrogen (noun) atomic number 1 (noun) henry (noun) Planck's constant (noun) H (noun) heat content (noun) total heat (noun) enthalpy (noun) alphabetic character (noun) chemical element (noun) constant of proportionality (noun) element (noun) factor of proportionality (noun) gas (noun) inductance unit (noun) letter (noun) letter h (noun) letter of the alphabet (noun) physical property |
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